1. The coronal suture is where which two bones
articulate?

That is correct

b) the heart is a pump made of muscle and that is difficult to grow in the lab.

exposure to hazardous carcinogens and toxic substances can cause breathing problems, such as copd and various types of cancer. it also increases the risk of heart attacks and strokes and has serious (but no less unattractive) side effects, such as aging, yellow teeth, a terrible smell and damage to the vocal cords.